flight battery with color box, 1 pc of 5400mAh 3-Cell / 3S 11.1V LiPo Compatible with select YUNEEC quadcopters. Including Typhoon Q500 4K and Typhoon G models for use with your current drone. 11.1V of power Along with a 5400 mAh capacity for a long-lasting charge. Rechargeable lithium-polymer battery